die if parent of timer dies
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@@ -28,4 +28,6 @@ function displaytime {
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while true; do
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while true; do
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displaytime "$SECONDS" >&2
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displaytime "$SECONDS" >&2
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sleep 1
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sleep 1
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# die if parent dies
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kill -0 $PPID 2>/dev/null || exit
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done
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done
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